package cn.mxlshy.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import lombok.Data;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author: 马晓亮
 * @date: 2020/8/10 15:07
 * @description:
 */
@Service
public class PaymentService {


    private volatile AtomicInteger countOk = new AtomicInteger(1);
    private volatile AtomicInteger countTimeout = new AtomicInteger(1);

    public String paymentInfoOK(Integer id) {
        countOk.incrementAndGet();
        return "线程池：" + Thread.currentThread().getName() + " paymentInfoOK,id：" + id + "O(∩_∩)O哈哈~" + countOk.get();
    }

    @HystrixCommand(fallbackMethod = "paymentInfoTimeoutHandler", commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "3000")
    })
    public String paymentInfoTimeout(Integer id) {
        int timeNumber = 10 / 0;

        countTimeout.incrementAndGet();
        return "线程池：" + Thread.currentThread().getName() + " paymentInfoTimeout,id：" + id + "O(∩_∩)O哈哈~,耗时 ";
    }

    public String paymentInfoTimeoutHandler(Integer id) {

        return "线程池：" + Thread.currentThread().getName() + " paymentInfoTimeout,id：" + id + "o(╥﹏╥)o";
    }

    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),  //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"), //请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"), //时间范围
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60") //失败率达到多少后跳闸z
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id) {
        if (id < 0) {
            throw new RuntimeException("*****id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName() + "\t" + "调用成功,流水号：" + serialNumber;
    }

    public String paymentCircuitBreaker_fallback(@PathVariable("id") Integer id) {
        return "id 不能负数，请稍候再试,(┬＿┬)/~~     id: " + id;
    }


}
